diff --git a/.gitignore b/.gitignore
index 435eeeb81efa..6c119eab5d46 100644
--- a/.gitignore
+++ b/.gitignore
@@ -14,6 +14,8 @@
 *.bin
 *.bz2
 *.c.[012]*.*
+*.dtb
+*.dtb.S
 *.dwo
 *.elf
 *.gcno
diff --git a/arch/arc/boot/.gitignore b/arch/arc/boot/.gitignore
index 5246969a20c5..c4c5fd529c25 100644
--- a/arch/arc/boot/.gitignore
+++ b/arch/arc/boot/.gitignore
@@ -1,2 +1 @@
-*.dtb*
 uImage
diff --git a/arch/arm/boot/.gitignore b/arch/arm/boot/.gitignore
index 3c79f85975aa..ce1c5ff746e7 100644
--- a/arch/arm/boot/.gitignore
+++ b/arch/arm/boot/.gitignore
@@ -3,4 +3,3 @@ zImage
 xipImage
 bootpImage
 uImage
-*.dtb
diff --git a/arch/arm64/boot/dts/.gitignore b/arch/arm64/boot/dts/.gitignore
deleted file mode 100644
index b60ed208c779..000000000000
--- a/arch/arm64/boot/dts/.gitignore
+++ /dev/null
@@ -1 +0,0 @@
-*.dtb
diff --git a/arch/metag/boot/.gitignore b/arch/metag/boot/.gitignore
index 2d6c0c160884..6c662ddb909a 100644
--- a/arch/metag/boot/.gitignore
+++ b/arch/metag/boot/.gitignore
@@ -1,4 +1,3 @@
 vmlinux*
 uImage*
 ramdisk.*
-*.dtb*
diff --git a/arch/microblaze/boot/.gitignore b/arch/microblaze/boot/.gitignore
index bf0459186027..679502d64a97 100644
--- a/arch/microblaze/boot/.gitignore
+++ b/arch/microblaze/boot/.gitignore
@@ -1,3 +1,2 @@
-*.dtb
 linux.bin*
 simpleImage.*
diff --git a/arch/mips/boot/.gitignore b/arch/mips/boot/.gitignore
index d3962cd5ce0c..a73d6e2c4f64 100644
--- a/arch/mips/boot/.gitignore
+++ b/arch/mips/boot/.gitignore
@@ -5,4 +5,3 @@ zImage
 zImage.tmp
 calc_vmlinuz_load_addr
 uImage
-*.dtb
diff --git a/arch/nios2/boot/.gitignore b/arch/nios2/boot/.gitignore
index 109279ca5a4d..64386a8dedd8 100644
--- a/arch/nios2/boot/.gitignore
+++ b/arch/nios2/boot/.gitignore
@@ -1,2 +1 @@
-*.dtb
 vmImage
diff --git a/arch/powerpc/boot/.gitignore b/arch/powerpc/boot/.gitignore
index 84774ccba1c2..f92d0530ceb1 100644
--- a/arch/powerpc/boot/.gitignore
+++ b/arch/powerpc/boot/.gitignore
@@ -18,7 +18,6 @@ otheros.bld
 uImage
 cuImage.*
 dtbImage.*
-*.dtb
 treeImage.*
 vmlinux.strip
 zImage
diff --git a/arch/xtensa/boot/.gitignore b/arch/xtensa/boot/.gitignore
index be7655998b26..38177c7ebcab 100644
--- a/arch/xtensa/boot/.gitignore
+++ b/arch/xtensa/boot/.gitignore
@@ -1,3 +1,2 @@
 uImage
 zImage.redboot
-*.dtb
diff --git a/drivers/of/unittest-data/.gitignore b/drivers/of/unittest-data/.gitignore
deleted file mode 100644
index 4b3cf8b16de2..000000000000
--- a/drivers/of/unittest-data/.gitignore
+++ /dev/null
@@ -1,2 +0,0 @@
-testcases.dtb
-testcases.dtb.S